100 Best Buy — supplied a defective piece

Address:

Maharashtra

I got a mail from 100bestbuyproducts. Filled my details and paid RS 4,999/- via Debit card . They send me a product TABLET VOX 7inch capacitive touch V-9 by BLUE DART COURIER -- BLR/APT- BOM/GOR/092886/Ref...
100bestbuy 18291666 on 2nd APRIL 2013.. Opened it it is a DEFECTIVE PIECE.,, MADE CALLS ON THE NUMBER MENTIONED ON THEIR COVER NO ONE IS PICKING THE PHONE. Now I have to pay to courier to send it back PLUS NO GURANTEE I WILL GET MY MONEY BACK.... WHAT DO I DO?

SUKSH TECHNOLOGY..PVT.LTD.
DRIVE INDIA ENTERPRISE SOLUTIONS
HOSKOTE ROAD, 160/1 ,KANNAMANGALA ROAD, BANGALORE-560067.
TEL : [protected] / [protected]
I LOST RS 4,999/-
THANKS VIJAYA
[protected] /[protected]